Add a sleep binary

compile.sh

@@ -16,6 +16,7 @@ dart compile exe -o out/nbt2snbt-linux-x64 bin/nbt2snbt.dart
 dart compile exe -o out/snbt2nbt-linux-x64 bin/snbt2nbt.dart
 dart compile exe -o out/uuidgen-linux-x64 bin/uuidgen.dart
 dart compile exe -o out/pause-linux-x64 bin/pause.dart
+dart compile exe -o out/sleep-linux-x64 bin/sleep.dart
 
 cd ..
 

dart/bin/sleep.dart

@@ -0,0 +1,15 @@
+import 'package:libac_dart/utils/IOTools.dart';
+
+Future<void> main(List<String> args) async {
+  int seconds = int.parse(args[0]);
+  prnt("\rPlease Wait $seconds second(s)...");
+
+  while(seconds>=0) {
+
+    await Future.delayed(Duration(seconds: 1));
+
+    seconds--;
+  }
+
+  prnt("\r\n");
+}